/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package packageController;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import packageBusiness.BricoWebUserBusiness;
import packageModel.Basket;
import packageModel.Product;
import javax.servlet.RequestDispatcher;
/**
 *
 * @author laurent
 */
public class BasketController extends HttpServlet 
{

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
    {
        response.setContentType("text/html;charset=UTF-8");
        HttpSession session = request.getSession();
        RequestDispatcher rd = null;
        
        BricoWebUserBusiness businessLayer = new BricoWebUserBusiness();
        
        Basket basket = (Basket)session.getAttribute("basket");
        
        String productID = request.getParameter("selectedProduct");
            
        if(request.getParameter("delete"+productID) != null)
        {
            basket.getHashProductsLine().remove(productID);
        }
        else
        {
            int selectedQuantity = Integer.parseInt(request.getParameter("selectedQuantity"+productID));
            basket.getHashProductsLine().get(productID).setNbProducts(selectedQuantity);
            Product product = basket.getHashProductsLine().get(productID).getProduct();
            double priceTot = businessLayer.calculatePriceTot(product, selectedQuantity);
            double priceUnit = businessLayer.calculatePriceUnit(product);
            basket.getHashProductsLine().get(productID).setPriceTot(priceTot);
            basket.getHashProductsLine().get(productID).setPriceUnit(priceUnit);
        }
        
        rd = request.getRequestDispatcher("basket.jsp");
        rd.forward(request, response);
    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
